Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is 2R (θ + tan θ) R (θ + cos θ) 2R (θ + cos θ) R (θ + tan θ) 2R (θ + tan θ) R (θ + cos θ) 2R (θ + cos θ) R (θ + tan θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a standing crop, the consumptive use of water is equal to the depth of water Evaporated by the crop Transpired and evaporated by the crop Transpired by the crop Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil Evaporated by the crop Transpired and evaporated by the crop Transpired by the crop Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called net irrigation requirement consumptive irrigation requirement effective rainfall consumptive use net irrigation requirement consumptive irrigation requirement effective rainfall consumptive use ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is (1/150) × (B + d)2/3 (1/200) × (B + d)2/3 (1/50) × (B + d)2/3 (1/100) × (B + d)2/3 (1/150) × (B + d)2/3 (1/200) × (B + d)2/3 (1/50) × (B + d)2/3 (1/100) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Study the following statements.i) Levees are constructed parallel to river flow,ii) Spurs are constructed parallel to river flow,iii) Levees are constructed transverse to river flow,iv) Spurs are constructed transverse to river flow.The correct answer is (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If water table is comparatively high, the irrigation canal becomes useless, due to Water logging of the cultivated areas All of these Large amount of seepage Uncertain water demand Water logging of the cultivated areas All of these Large amount of seepage Uncertain water demand ANSWER DOWNLOAD EXAMIANS APP
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